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What is the easiest way to remove the first character from a string?

... only does one and finishes. Consider gsub like it's a minimum of two sub calls. Also, it's important to remember that gsub, and sub can also be handicapped by poorly written regex which match much more slowly than a sub-string search. If possible anchor the regex to get the most speed from it. Th...
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How JavaScript closures are garbage collected

...e expected behavior. From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable". In your examples where it fails some is still reachable in the closure. I tried two ways to make it...
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Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)

... achieved.) it's not clean to add static files into the app root folder finally, the proposed solution looks much cleaner than the adding middleware approach: share | improve this answer |...
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Python Create unix timestamp five minutes in the future

... Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float. import datetime current_time = datetime.datetime.now(datetime.timezone.utc) unix_timestamp = current_time.timestamp() # works if Python >= 3.3 unix_timestamp_pl...
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Is there a way to 'uniq' by column?

...orting." – Geremia Apr 15 '16 at 17:32 2 ...
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How to fix the flickering in User controls

...f controls, those holes are visible to the user for a while. They are normally white, contrasting badly with the BackgroundImage when it is dark. Or they can be black if the form has its Opacity or TransparencyKey property set, contrasting badly with just about anything. This is a pretty fundamen...
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Setting Vim whitespace preferences by filetype

... @JamesMcMahon expandtab expands all tabs to spaces. sts (softtabstop) inserts spaces and tabs for indents: as many tabs as will fit in the indent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get ...
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RichTextBox (WPF) does not have string property “Text”

... @alvinmeimoun Actually, Paragraph() had a Paragraph(Inline) overload at least since .NET 3.5 (and Run(string) was also valid - it's even in the example). – Dragomok Jan 6 '17 at 9:57 ...
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Forward declaration of a typedef in C++

... +1 in the end because while you technically can't "forward-typedef" (i.e. you can't write "typedef A;"), you can almost certainly accomplish what the OP wants to accomplish using your trick above. – j_random_hacker Apr 30 '09...
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Cannot use ref or out parameter in lambda expressions

...e visible on the ref parameter itself. Both within the method and in the caller. These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions. share | ...